Parking Brake Cable Tensioner; Adjustment With Brake Gauge; Tensioner Rod Measurement; Adjusting Gauge On Drum - Jeep Wrangler 1997 Manual

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ADJUSTMENTS (Continued)
PARKING BRAKE CABLE TENSIOINER
NOTE : Parking brake adjustment) is only necessary
when the tensioner, or a cable hays been replaced or
disconnected for service. When adjustment is nec-
essary, perform the following procedure for proper
parking brake operation.
ADJUSTMENT
(1)
Raise vehicle .
(2) Back off tensioner adjusting i ! i n ut to create slack
in cables .
(3) Remove rear wheel/tire assemblies and remove
brake drums .
(4) Check rear brake shoe adjustment with stan-
dard brake gauge . Excessive shoe-to-drum clear-
ance, or worn brake components will result in
faulty parking brake adjustment and operation .
(5) Verify that parking brake cables operate freely
and are not binding, or seized . Replace faulty cables,
before proceeding .
(6) Reinstall brake drums and wheel/tire assem-
blies after brake shoe adjustment is complete .
(7) Lower vehicle enough for access to parking
brake lever. Then fully apply parking brakes . Leave
brakes applied until adjustment
is
complete .
(8) Raise vehicle and mark tensioner rod 6.5 mm
(1/4 in .) from tensioner bracket (Fig. 58) .
(9) Tighten adjusting nut at equalizer until mark
on tensioner rod moves into alignment with tensioner
bracket .
(10) Lower vehicle until rear wheels are 15-20 cm
(6-8 in .) off shop floor.
(11) Release parking brake lever and verify that
rear wheels rotate freely without drag.
(12) Lower vehicle .
NOTE: Do not loosen/tighten equalizer adjusting
nut for any reason after completing adjustment.
Fig. 58 Tensioner Rod Measurement
J9405-158
REAR DRUM BRAKE
The rear drum brakes are equipped with a self-ad-
justing mechanism . Under normal circumstances, the
only time adjustment is required is when the shoes
are replaced, removed for access to other parts, or
when one or both drums are replaced .
Adjustment can be made with a standard brake
gauge or with adjusting tool . Adjustment is per-
formed with the complete brake assembly installed
on the backing plate.
ADJUSTMENT WITH BRAKE GAUGE
(1)
Be sure parking brakes are fully released.
(2) Raise rear of vehicle and remove wheels and
brake drums.
(3) Verify that left and right automatic adjuster
levers and cables are properly connected.
(4) Insert brake gauge in drum. Expand gauge
until gauge inner legs contact drum braking surface .
Then lock gauge in position (Fig . 59) .
BRAKES 5 - 27
Fig. 59 Adjusting Gauge On Drum
(5) Reverse gauge and install it on brake shoes.
Position gauge legs at shoe centers as shown (Fig.
60) . If gauge does not fit (too loose/too tight), adjust
shoes.
(6) Pull shoe adjuster screw star wheel away from
adjuster lever.
(7) Turn adjuster screw star wheel (by hand) to
expand or retract brake shoes. Continue adjustment
until gauge outside legs are light drag-fit on shoes .
(8) Install brake drums and wheels and lower
vehicle .
(9) Drive vehicle and make one forward stop fol-
lowed by one reverse stop. Repeat procedure 8-10
times to operate automatic adjusters and equalize
adjustment.